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examples/examples-custom-boards/lyrat-mini/output/outout.ino
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// Demo to output audio on a lyrat-mini board: with headphone detection active | ||
// to switch the power amplifier on and off | ||
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#include "AudioTools.h" | ||
#include "AudioTools/AudioLibs/AudioBoardStream.h" | ||
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AudioInfo info(44100, 2, 16); | ||
SineWaveGenerator<int16_t> sineWave(32000); // subclass of SoundGenerator with max amplitude of 32000 | ||
GeneratedSoundStream<int16_t> sound(sineWave); // Stream generated from sine wave | ||
AudioBoardStream out(LyratMini); | ||
StreamCopy copier(out, sound); // copies sound into i2s | ||
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// Arduino Setup | ||
void setup(void) { | ||
// Open Serial | ||
Serial.begin(115200); | ||
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning); | ||
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// start I2S | ||
Serial.println("starting I2S..."); | ||
auto config = out.defaultConfig(TX_MODE); | ||
config.copyFrom(info); | ||
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// additinal settings | ||
out.setVolume(0.5); | ||
out.addHeadphoneDetectionAction(); | ||
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// start sine wave | ||
sineWave.begin(info, N_B4); | ||
Serial.println("started..."); | ||
} | ||
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void loop() { | ||
copier.copy(); | ||
out.processActions(); | ||
} |
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